>>>>> "LT" == Leopold Toetsch <[EMAIL PROTECTED]> writes:
LT> These are platform specific details. We will use whatever the LT> platform/OS provides. In the source code its a LOCK() UNLOCK() pair. LT> The LOCK() can be any atomic operation and doesn't need to call the LT> kernel, if the lock is aquired. if it doesn't call the kernel, how can a thread be blocked? you can't have user level locks without spinning. at some point (even with fibres) you need to make a kernel call so other threads can run. the macro layer will make the mainline source look better but you still need kernel calls in their definition. uri -- Uri Guttman ------ [EMAIL PROTECTED] -------- http://www.stemsystems.com --Perl Consulting, Stem Development, Systems Architecture, Design and Coding- Search or Offer Perl Jobs ---------------------------- http://jobs.perl.org
